20858741571

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1\times {\mathrm{23473}}^1$

素因数の和:25746

約数の個数: 16

約数和(自身を含む): 28026078080

約数和(自身を除く): 7167336509

約数列:

[1, 3, 139, 417, 2131, 6393, 23473, 70419, 296209, 888627, 3262747, 9788241, 50020963, 150062889, 6952913857, 20858741571]

約数ペア:

[(1, 20858741571), (3, 6952913857), (139, 150062889), (417, 50020963), (2131, 9788241), (6393, 3262747), (23473, 888627), (70419, 296209)]